Figure 7. A diagnostic model for distinguishing HCC from proliferative nodules in the training dataset (GSE89377) and validation dataset (GSE6764). (A, D) Confusion matrix for the binary classification results of the diagnostic model. (B, E) ROC curves for the predictive performance evaluation of the diagnostic model. (C, F) Unsupervised hierarchical clustering of the four angiogenic genes for the diagnostic model.